package com.design.found.prototype.atguigu.deepclone;

import java.io.*;

/**
 * @ProjectName: design
 * @Package: com.design.found.prototype.atguigu.deepclone
 * @ClassName: DeepProtoType
 * @Author: shenaiguo
 * @Description:
 * @Date: 2020/8/30 0030 9:58
 */
public class DeepProtoType implements Serializable, Cloneable {
    public String name; //String 属 性
    public DeepCloneableTarget deepCloneableTarget;// 引用类型

    public DeepProtoType() {
        super();
    }

    //深拷贝 - 方式 1  使用 clone 方法
    @Override
    protected Object clone() throws CloneNotSupportedException {


        Object deep = null;
//这里完成对基本数据类型(属性)和 String 的克隆
        deep = super.clone();
//对引用类型的属性，进行单独处理
        DeepProtoType deepProtoType = (DeepProtoType) deep;
        deepProtoType.deepCloneableTarget = (DeepCloneableTarget) deepCloneableTarget.clone();

// TODO Auto-generated method stub
        return deepProtoType;
    }

    //深拷贝 - 方式 2 通过对象的序列化实现 (推荐)
    public Object deepClone() {
        //创建流对象
        ByteArrayOutputStream bos = null;
        ObjectOutputStream oos = null;
        ByteArrayInputStream bis = null;
        ObjectInputStream ois = null;
        try {

//序列化
            bos = new ByteArrayOutputStream();
            oos = new ObjectOutputStream(bos);
            oos.writeObject(this); //当前这个对象以对象流的方式输出

//反序列化
            bis = new ByteArrayInputStream(bos.toByteArray());
            ois = new ObjectInputStream(bis);
            DeepProtoType copyObj = (DeepProtoType) ois.readObject();


            return copyObj;
        }catch (Exception e){
            e.printStackTrace();
            return null;

        }finally {
            try {
                bos.close();
                oos.close();
                bis.close();
                ois.close();
            }catch (Exception e2){
                System.out.println(e2.getMessage());
            }
        }

    }
}
